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-rw-r--r--contrib/perl5/t/pragma/warn/toke583
1 files changed, 583 insertions, 0 deletions
diff --git a/contrib/perl5/t/pragma/warn/toke b/contrib/perl5/t/pragma/warn/toke
new file mode 100644
index 0000000..cfdea78
--- /dev/null
+++ b/contrib/perl5/t/pragma/warn/toke
@@ -0,0 +1,583 @@
+toke.c AOK
+
+ we seem to have lost a few ambiguous warnings!!
+
+
+ 1 if $a EQ $b ;
+ 1 if $a NE $b ;
+ 1 if $a LT $b ;
+ 1 if $a GT $b ;
+ 1 if $a GE $b ;
+ 1 if $a LE $b ;
+ $a = <<;
+ Use of comma-less variable list is deprecated
+ (called 3 times via depcom)
+
+ \1 better written as $1
+ use warnings 'syntax' ;
+ s/(abc)/\1/;
+
+ warn(warn_nosemi)
+ Semicolon seems to be missing
+ $a = 1
+ &time ;
+
+
+ Reversed %c= operator
+ my $a =+ 2 ;
+ $a =- 2 ;
+ $a =* 2 ;
+ $a =% 2 ;
+ $a =& 2 ;
+ $a =. 2 ;
+ $a =^ 2 ;
+ $a =| 2 ;
+ $a =< 2 ;
+ $a =/ 2 ;
+
+ Multidimensional syntax %.*s not supported
+ my $a = $a[1,2] ;
+
+ You need to quote \"%s\""
+ sub fred {} ; $SIG{TERM} = fred;
+
+ Scalar value %.*s better written as $%.*s"
+ @a[3] = 2;
+ @a{3} = 2;
+
+ Can't use \\%c to mean $%c in expression
+ $_ = "ab" ; s/(ab)/\1/e;
+
+ Unquoted string "abc" may clash with future reserved word at - line 3.
+ warn(warn_reserved
+ $a = abc;
+
+ chmod() mode argument is missing initial 0
+ chmod 3;
+
+ Possible attempt to separate words with commas
+ @a = qw(a, b, c) ;
+
+ Possible attempt to put comments in qw() list
+ @a = qw(a b # c) ;
+
+ umask: argument is missing initial 0
+ umask 3;
+
+ %s (...) interpreted as function
+ print ("")
+ printf ("")
+ sort ("")
+
+ Ambiguous use of %c{%s%s} resolved to %c%s%s
+ $a = ${time[2]}
+ $a = ${time{2}}
+
+
+ Ambiguous use of %c{%s} resolved to %c%s
+ $a = ${time}
+ sub fred {} $a = ${fred}
+
+ Misplaced _ in number
+ $a = 1_2;
+ $a = 1_2345_6;
+
+ Bareword \"%s\" refers to nonexistent package
+ $a = FRED:: ;
+
+ Ambiguous call resolved as CORE::%s(), qualify as such or use &
+ sub time {}
+ my $a = time()
+
+ Unrecognized escape \\%c passed through
+ $a = "\m" ;
+
+ %s number > %s non-portable
+ my $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b111111111111111111111111111111111 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x1ffffffff ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 0047777777777 ;
+
+ Integer overflow in binary number
+ my $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b111111111111111111111111111111111 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x1ffffffff ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 0047777777777 ;
+
+ Mandatory Warnings
+ ------------------
+ Use of "%s" without parentheses is ambiguous [check_uni]
+ rand + 4
+
+ Ambiguous use of -%s resolved as -&%s() [yylex]
+ sub fred {} ; - fred ;
+
+ Precedence problem: open %.*s should be open(%.*s) [yylex]
+ open FOO || die;
+
+ Operator or semicolon missing before %c%s [yylex]
+ Ambiguous use of %c resolved as operator %c
+ *foo *foo
+
+__END__
+# toke.c
+use warnings 'deprecated' ;
+1 if $a EQ $b ;
+1 if $a NE $b ;
+1 if $a GT $b ;
+1 if $a LT $b ;
+1 if $a GE $b ;
+1 if $a LE $b ;
+no warnings 'deprecated' ;
+1 if $a EQ $b ;
+1 if $a NE $b ;
+1 if $a GT $b ;
+1 if $a LT $b ;
+1 if $a GE $b ;
+1 if $a LE $b ;
+EXPECT
+Use of EQ is deprecated at - line 3.
+Use of NE is deprecated at - line 4.
+Use of GT is deprecated at - line 5.
+Use of LT is deprecated at - line 6.
+Use of GE is deprecated at - line 7.
+Use of LE is deprecated at - line 8.
+########
+# toke.c
+use warnings 'deprecated' ;
+format STDOUT =
+@<<< @||| @>>> @>>>
+$a $b "abc" 'def'
+.
+no warnings 'deprecated' ;
+format STDOUT =
+@<<< @||| @>>> @>>>
+$a $b "abc" 'def'
+.
+EXPECT
+Use of comma-less variable list is deprecated at - line 5.
+Use of comma-less variable list is deprecated at - line 5.
+Use of comma-less variable list is deprecated at - line 5.
+########
+# toke.c
+use warnings 'deprecated' ;
+$a = <<;
+
+no warnings 'deprecated' ;
+$a = <<;
+
+EXPECT
+Use of bare << to mean <<"" is deprecated at - line 3.
+########
+# toke.c
+use warnings 'syntax' ;
+s/(abc)/\1/;
+no warnings 'syntax' ;
+s/(abc)/\1/;
+EXPECT
+\1 better written as $1 at - line 3.
+########
+# toke.c
+use warnings 'semicolon' ;
+$a = 1
+&time ;
+no warnings 'semicolon' ;
+$a = 1
+&time ;
+EXPECT
+Semicolon seems to be missing at - line 3.
+########
+# toke.c
+BEGIN {
+ # Scalars leaked: due to syntax errors
+ $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
+}
+use warnings 'syntax' ;
+my $a =+ 2 ;
+$a =- 2 ;
+$a =* 2 ;
+$a =% 2 ;
+$a =& 2 ;
+$a =. 2 ;
+$a =^ 2 ;
+$a =| 2 ;
+$a =< 2 ;
+$a =/ 2 ;
+EXPECT
+Reversed += operator at - line 7.
+Reversed -= operator at - line 8.
+Reversed *= operator at - line 9.
+Reversed %= operator at - line 10.
+Reversed &= operator at - line 11.
+Reversed .= operator at - line 12.
+syntax error at - line 12, near "=."
+Reversed ^= operator at - line 13.
+syntax error at - line 13, near "=^"
+Reversed |= operator at - line 14.
+syntax error at - line 14, near "=|"
+Reversed <= operator at - line 15.
+Unterminated <> operator at - line 15.
+########
+# toke.c
+BEGIN {
+ # Scalars leaked: due to syntax errors
+ $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
+}
+no warnings 'syntax' ;
+my $a =+ 2 ;
+$a =- 2 ;
+$a =* 2 ;
+$a =% 2 ;
+$a =& 2 ;
+$a =. 2 ;
+$a =^ 2 ;
+$a =| 2 ;
+$a =< 2 ;
+$a =/ 2 ;
+EXPECT
+syntax error at - line 12, near "=."
+syntax error at - line 13, near "=^"
+syntax error at - line 14, near "=|"
+Unterminated <> operator at - line 15.
+########
+# toke.c
+use warnings 'syntax' ;
+my $a = $a[1,2] ;
+no warnings 'syntax' ;
+my $a = $a[1,2] ;
+EXPECT
+Multidimensional syntax $a[1,2] not supported at - line 3.
+########
+# toke.c
+use warnings 'syntax' ;
+sub fred {} ; $SIG{TERM} = fred;
+no warnings 'syntax' ;
+$SIG{TERM} = fred;
+EXPECT
+You need to quote "fred" at - line 3.
+########
+# toke.c
+use warnings 'syntax' ;
+@a[3] = 2;
+@a{3} = 2;
+no warnings 'syntax' ;
+@a[3] = 2;
+@a{3} = 2;
+EXPECT
+Scalar value @a[3] better written as $a[3] at - line 3.
+Scalar value @a{3} better written as $a{3} at - line 4.
+########
+# toke.c
+use warnings 'syntax' ;
+$_ = "ab" ;
+s/(ab)/\1/e;
+no warnings 'syntax' ;
+$_ = "ab" ;
+s/(ab)/\1/e;
+EXPECT
+Can't use \1 to mean $1 in expression at - line 4.
+########
+# toke.c
+use warnings 'reserved' ;
+$a = abc;
+no warnings 'reserved' ;
+$a = abc;
+EXPECT
+Unquoted string "abc" may clash with future reserved word at - line 3.
+########
+# toke.c
+use warnings 'chmod' ;
+chmod 3;
+no warnings 'chmod' ;
+chmod 3;
+EXPECT
+chmod() mode argument is missing initial 0 at - line 3.
+########
+# toke.c
+use warnings 'qw' ;
+@a = qw(a, b, c) ;
+no warnings 'qw' ;
+@a = qw(a, b, c) ;
+EXPECT
+Possible attempt to separate words with commas at - line 3.
+########
+# toke.c
+use warnings 'qw' ;
+@a = qw(a b #) ;
+no warnings 'qw' ;
+@a = qw(a b #) ;
+EXPECT
+Possible attempt to put comments in qw() list at - line 3.
+########
+# toke.c
+use warnings 'umask' ;
+umask 3;
+no warnings 'umask' ;
+umask 3;
+EXPECT
+umask: argument is missing initial 0 at - line 3.
+########
+# toke.c
+use warnings 'syntax' ;
+print ("")
+EXPECT
+print (...) interpreted as function at - line 3.
+########
+# toke.c
+no warnings 'syntax' ;
+print ("")
+EXPECT
+
+########
+# toke.c
+use warnings 'syntax' ;
+printf ("")
+EXPECT
+printf (...) interpreted as function at - line 3.
+########
+# toke.c
+no warnings 'syntax' ;
+printf ("")
+EXPECT
+
+########
+# toke.c
+use warnings 'syntax' ;
+sort ("")
+EXPECT
+sort (...) interpreted as function at - line 3.
+########
+# toke.c
+no warnings 'syntax' ;
+sort ("")
+EXPECT
+
+########
+# toke.c
+use warnings 'ambiguous' ;
+$a = ${time[2]};
+no warnings 'ambiguous' ;
+$a = ${time[2]};
+EXPECT
+Ambiguous use of ${time[...]} resolved to $time[...] at - line 3.
+########
+# toke.c
+use warnings 'ambiguous' ;
+$a = ${time{2}};
+EXPECT
+Ambiguous use of ${time{...}} resolved to $time{...} at - line 3.
+########
+# toke.c
+no warnings 'ambiguous' ;
+$a = ${time{2}};
+EXPECT
+
+########
+# toke.c
+use warnings 'ambiguous' ;
+$a = ${time} ;
+no warnings 'ambiguous' ;
+$a = ${time} ;
+EXPECT
+Ambiguous use of ${time} resolved to $time at - line 3.
+########
+# toke.c
+use warnings 'ambiguous' ;
+sub fred {}
+$a = ${fred} ;
+no warnings 'ambiguous' ;
+$a = ${fred} ;
+EXPECT
+Ambiguous use of ${fred} resolved to $fred at - line 4.
+########
+# toke.c
+use warnings 'syntax' ;
+$a = 1_2;
+$a = 1_2345_6;
+no warnings 'syntax' ;
+$a = 1_2;
+$a = 1_2345_6;
+EXPECT
+Misplaced _ in number at - line 3.
+Misplaced _ in number at - line 4.
+Misplaced _ in number at - line 4.
+########
+# toke.c
+use warnings 'bareword' ;
+#line 25 "bar"
+$a = FRED:: ;
+no warnings 'bareword' ;
+#line 25 "bar"
+$a = FRED:: ;
+EXPECT
+Bareword "FRED::" refers to nonexistent package at bar line 25.
+########
+# toke.c
+use warnings 'ambiguous' ;
+sub time {}
+my $a = time() ;
+no warnings 'ambiguous' ;
+my $b = time() ;
+EXPECT
+Ambiguous call resolved as CORE::time(), qualify as such or use & at - line 4.
+########
+# toke.c
+use warnings ;
+eval <<'EOE';
+{
+#line 30 "foo"
+ $_ = " \x{123} " ;
+}
+EOE
+EXPECT
+
+########
+# toke.c
+my $a = rand + 4 ;
+EXPECT
+Warning: Use of "rand" without parens is ambiguous at - line 2.
+########
+# toke.c
+$^W = 0 ;
+my $a = rand + 4 ;
+{
+ no warnings 'ambiguous' ;
+ $a = rand + 4 ;
+ use warnings 'ambiguous' ;
+ $a = rand + 4 ;
+}
+$a = rand + 4 ;
+EXPECT
+Warning: Use of "rand" without parens is ambiguous at - line 3.
+Warning: Use of "rand" without parens is ambiguous at - line 8.
+Warning: Use of "rand" without parens is ambiguous at - line 10.
+########
+# toke.c
+sub fred {};
+-fred ;
+EXPECT
+Ambiguous use of -fred resolved as -&fred() at - line 3.
+########
+# toke.c
+$^W = 0 ;
+sub fred {} ;
+-fred ;
+{
+ no warnings 'ambiguous' ;
+ -fred ;
+ use warnings 'ambiguous' ;
+ -fred ;
+}
+-fred ;
+EXPECT
+Ambiguous use of -fred resolved as -&fred() at - line 4.
+Ambiguous use of -fred resolved as -&fred() at - line 9.
+Ambiguous use of -fred resolved as -&fred() at - line 11.
+########
+# toke.c
+open FOO || time;
+EXPECT
+Precedence problem: open FOO should be open(FOO) at - line 2.
+########
+# toke.c
+$^W = 0 ;
+open FOO || time;
+{
+ no warnings 'precedence' ;
+ open FOO || time;
+ use warnings 'precedence' ;
+ open FOO || time;
+}
+open FOO || time;
+EXPECT
+Precedence problem: open FOO should be open(FOO) at - line 3.
+Precedence problem: open FOO should be open(FOO) at - line 8.
+Precedence problem: open FOO should be open(FOO) at - line 10.
+########
+# toke.c
+$^W = 0 ;
+*foo *foo ;
+{
+ no warnings 'ambiguous' ;
+ *foo *foo ;
+ use warnings 'ambiguous' ;
+ *foo *foo ;
+}
+*foo *foo ;
+EXPECT
+Operator or semicolon missing before *foo at - line 3.
+Ambiguous use of * resolved as operator * at - line 3.
+Operator or semicolon missing before *foo at - line 8.
+Ambiguous use of * resolved as operator * at - line 8.
+Operator or semicolon missing before *foo at - line 10.
+Ambiguous use of * resolved as operator * at - line 10.
+########
+# toke.c
+use warnings 'misc' ;
+my $a = "\m" ;
+no warnings 'misc' ;
+$a = "\m" ;
+EXPECT
+Unrecognized escape \m passed through at - line 3.
+########
+# toke.c
+use warnings 'portable' ;
+my $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b111111111111111111111111111111111 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x1ffffffff ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 0047777777777 ;
+no warnings 'portable' ;
+ $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b111111111111111111111111111111111 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x1ffffffff ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 0047777777777 ;
+EXPECT
+Binary number > 0b11111111111111111111111111111111 non-portable at - line 5.
+Hexadecimal number > 0xffffffff non-portable at - line 8.
+Octal number > 037777777777 non-portable at - line 11.
+########
+# toke.c
+use warnings 'overflow' ;
+my $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b10000000000000000000000000000000000000000000000000000000000000000 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x10000000000000000 ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 002000000000000000000000;
+no warnings 'overflow' ;
+ $a = 0b011111111111111111111111111111110 ;
+ $a = 0b011111111111111111111111111111111 ;
+ $a = 0b10000000000000000000000000000000000000000000000000000000000000000 ;
+ $a = 0x0fffffffe ;
+ $a = 0x0ffffffff ;
+ $a = 0x10000000000000000 ;
+ $a = 0037777777776 ;
+ $a = 0037777777777 ;
+ $a = 002000000000000000000000;
+EXPECT
+Integer overflow in binary number at - line 5.
+Integer overflow in hexadecimal number at - line 8.
+Integer overflow in octal number at - line 11.
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